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https://issues.apache.org/jira/browse/SPARK-8521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14612317#comment-14612317
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Nick Pritchard commented on SPARK-8521:
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How about a transformer that performs the opposite of StringIndexer? In other
words, it would convert a Double to String using the labels metadata. This
would be useful for transforming the output of Predictors for external usage.
> Feature Transformers in 1.5
> ---------------------------
>
> Key: SPARK-8521
> URL: https://issues.apache.org/jira/browse/SPARK-8521
> Project: Spark
> Issue Type: Umbrella
> Components: ML
> Reporter: Xiangrui Meng
> Assignee: Xiangrui Meng
>
> This is a list of feature transformers we plan to add in Spark 1.5. Feel free
> to propose useful transformers that are not on the list.
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